Glass-tank.



No. 840,245. l PATENTBD JAN. 1, 1907.

M. J. OWENS.

GLASS TANK. APPLICATION FILED NOV. 21. 1904.

2 SHEETS-SHEET 1.

Fn.. H

PATENTED JAN. l

M. J. OWENS.

GLASS TANK. v' APPLICATION FILED Nov. 21. 1904.

2 SHEETS-SHEET 2.

UNITED STATES PATENT FFICE. MICHAEL J. OwENS, OE TOLEDO, OHIO, ASSIGNOR To THE TOLEDO GLASS COMPANY, OF TOLEDO, OHIO, A CORPORATION OF OHIO.

GLASS-TANK.

Specification of Letters Patent.

Patented Jan. 1, 1907.

Application filed November 21, 1904. Serial No. 233.678.

To a/ZZ whoml t may concern:

Be it known that I, MICHAEL J. OWENS, a citizen of the United States, residing at Toledo, in the county of Lucas-and State of Ohio, have invented certain new and useful Improvements in Glass-Tanks, of which the fol- Fig. 2 is a front elevation, ha f in section, the

section being taken centrally through the workin tank. Fig. 3 is a horizontal section above t e workin tank, showing part of the melting-tank an showing one-half of the forehearth with the bricks removed therefrom. Fig. :4 isa perspective ofthe valve used-in controlling the flow of glass from one tank to the other.

A represents a continuous meltin -tank l chamber F in such extension beyond the tank itself over another tank, which I shall call for convenience the working tank G. This working tank is a rotary tank and is supported in thIs instance upon Ya track G with interposed rollers H. The rotary tank is of such size as to be entirely within the supplemental heating-chamber F, except at one edge, Where it projects outside, as shown at I. This outward .extension of the tank I preferably provide by making an inwardlycurved front wall I', as shown in Fig. 3.

' The rotary tank G being smaller than the supplemental heating-chamberl F, I form a forehearth H between the side walls thereof and the working tank. This forehearth preferably consists of a metal frame J, supported in any suitable mannerfor instance, on the brackets a and the posts b. (Shown depending in-Fig. 1 and in dotted lines in Fig. 3.) On this metal frame, preferably stren hened by ianges c, I place a bric covering K, exten ing over the edge of the tank, as plainly shown in Fig. 2.

The metal frame does not extend entirely vto the tank A, but is preferably separated a slight distance therefrom to leave an airspace L between and the bricks only extend over this Space.

In the tank A, and preferably at one side or one corner, I arrange a cross-wall M. This cross-wall may extend only to near the bottom ofthe tank, so as to leave a passage-way beneath, or it may be provided with a connecting port or passage N, Fig. 1, so that the glass can ow from the melting-tank A into the chamber O, formed within the sides of the tank and this cross-wall. Leading from this chamber O, I arrange a discharge-spout.A

In this case I have shown it consisting of a grooved tile or brick O, extending to a point above the space L, and aninclined grooved tile or brick P, extending from the edge of the brick O to a point above the tank. I preferably rest the brick I directly upon the metal frame J, so that it, in effect, forms apart of the forehearth. The grooves 1n the two .bricks O and P form, in effect, a continuous trou h or spout leading from the chamber O and ischarging into the tank G. v

The tank G may be rotated by any sultable means. I have shown a beveled gearring 'Q on the under side of the tank, drlven by a bevel-pinion Q on the ,shaft R, Flg. 2, which may be driven fro any sultable source of power.

The batch lbein fed `from the door B into the tank A is meIted by the heat from the burning ases above and will seek its level in the ta A. The molten glass passin throu h the port or ports N in the cross-w M wil rise to a correspondin level in the chamber O. -When the glass as risen to a point above the opening in the discharge 1rouh or spout, it will flow from the chamer and P and be discharged into the tank G and from which it may be taken out at the exposed point I ofthe said tank. The tank G being rotated, new portions of glass in the tank G will be exposed at the point I, so that a dip or gathering operation will not chill the glass, and thus interfere with the suc- IOO through the grooves in-the .bricks O exposure at the point I and by the gathering operation will be reheated and reinelted when the same is brought again into the chamber Fl by the rotation of the tank.

When it is desired to stop the How of glass throu h the spout or trough, I insert a valve S in t e groove of the trough, which I have .found will effectually stop the flow. A suitable hand-hole V is provided at the side, so that this valve may be inserted. By arranging a joint d between the bricks O and P at a point in the space L any glass that may tend to liow through that joint will harden, as it is exposed to the atmospheric temperature, and eifectually close up the joint. By making the trough in two sections in this way the device is more easily constructed and more readily re aired.

I preferably orm in the side wall of the chamber F an arch T and then form below the arch an opening U. In the normal operation of the device this opening is bricked up g but when it is desired to replace the spout these bricks may be readily removed, and thus form a manhole through which the operator may enter to remove the bricks O and P and insert new ones. These repairs are greatly facilitated by arranging the conduit between the two tanks at one side and adja o'ent to the manhole.

By arranging the common chamber forming the melting-tank A and the working tank G with the continuous roof or top D the heat from the melting-chamber will pass over into the chamber F above the working tank and thereto, a wall across one corner of said melting-tank having an aperture in its lower portionand forming a vertical conduit, a forehearth between said tanks, a trough forming a portion of said forehearth and extending from said conduit to a point above said working tank, and a common hood for said tanks,

for the purpose described.

2. The combination with a glass-melting tank, of a rotary working tank` adjacent thereto, a wall across one corner of said melting-tank having an aperture in its lower fportion, and forming a vertical conduit, a orehearth betweensaid tanks, a trough forming a portion of said forehearth and extending from said conduit and projecting over said working tank and a common heating-hood for both tanks having a concavity in its front wall, for the purpose described.

In testimony whereof I aflix my signature in presence of two witnesses.

MICHAEL J. OWENS.

Witnesses:

E. H. VosE, ORRA L. INGLEsBY. 

